You can even configure this all-in-one monster with up to 256GB of system memory running at 2,666MHz. You want video-editing power? You got it. The Retina display packs a hefty 5,120 x 2,880 resolution at 60Hz and a 500-nit maximum brightness. For storage your options are limited, ranging from 1TB to 4TB on a PCIe NVMe SSD.